References
- Binding , P. 1984 . Perturbation and bifurcation of non-singular multiparametric eigenvalues . Non-linear Anal , 8 : 335 – 352 .
- Chow , S.N. and Hale , J.K. 1982 . Methods of Bifurcation Theory , New York : Springer-Verlag .
- Dieudonne , J. 1960 . Foundations of Modern Analysis , New York : Academic Press .
- Hale , J.K. 1978 . Bifurcation from simple eigenvalues for several parameter families . Non-linear Anal , 2 : 491 – 497 .
- Kato , T. 1966 . Perturbation Theory for Linear Operators , Berlin : Springer-Berlag .
- Mc Ghee , D.F. and Roach , G.F. 1981 . The spectrum of multiparameter problems in Hilbert space . Proc. Roy. Soc. Edin , 91A : 31 – 42 .
- McGhee , D.F. and Sallam , M.H. Simple eigenvalues and bifurcation for a multiparameter problem , Proc. Edin. Math, Soc .
- Shearer , M. 1978 . On the null space of linear Fredholm operators depending on several parameters . Math. Proc, Camb, Phil. Soc , 84 : 131 – 142 .
- Turyn , L. 1983 . Perturbation of linked eigenvalue problems . J. Nonlinear Anal , 7 : 35 – 40 .